Passive force element on the basis of electrorheologic liquids
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United States of America Patent
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Jun 15, 2004
Grant Date -
Jul 10, 2003
app pub date -
Nov 14, 2002
filing date -
Jan 15, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A passive force element on the basis of electrorheological liquids includes a piston with a piston rod guided in a cylindrical housing, and a force introduction element connected with the piston rod. The piston forms, in the cylindrical housing, two variable-volume working chambers, which are filled with electrorheological liquids, and which are connected by a fluid connection including a valve arrangement with an electrorheological liquid valve for controlling the throughflow characteristic. A regulated damping characteristic can be adjustedly set and force peaks are avoided, because the force introduction is achieved via the force introduction element, and the piston is coupled onto the force introduction element via an elastic element.
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